There are several advantages by putting the navigation at the bottom.
<header id='top'>
<h1>Demo on footer navigation strategy</h1>
</header>
<nav>
<ul class='small-block-grid-4 hide-for-small-only'>
<li><a href='#'>Home</a></li>
<li><a href='#'>About</a></li>
<li><a href='#'>Works</a></li>
<li><a href='#'>Contact</a></li>
</ul>
<p class='show-for-small-only'><a href='#footer-nav'>Menu</a></p>
</nav>
<article>
<p>A long text here.</p>
</article>
<footer>
<nav id='footer-nav'>
<ul>
<li><a href='#top'>Top</a></li>
<li><a href='#'>Home</a></li>
<li><a href='#'>About</a></li>
<li><a href='#'>Works</a></li>
<li><a href='#'>Contact</a></li>
</ul>
</nav>
</footer>
Exercise: follow the code snippet above. Modify the navigation to make it work in small screen.